public class Application{
	public static void main(String args[]){
		Pillar pillar;
		Geometry bottom;
		bottom = new Rectangle(12,22);
		pillar = new Pillar(bottom, 58);
		System.out.println("矩形底的柱体的体积"+pillar.getVolume());
		bottom=new Circle(10);
		pillar=new Pillar(bottom,58);
		System.out.println("圆形底的柱体的体积"+pillar.getVolume());
	}
}